Abstract
The possible mediatory role of salicylic acid (SA) in protecting plants from cadmium (Cd) toxicity was investigated. Increasing Cd concentrations caused a decrease in shoot and root biomass, chlorophyll (a, b) and carotenoids content, and photosynthetic rate in plants. Pretreatment with 500 µM SA did not change the plant growth, Cd accumulation, and water relation in Cd-stressed plants. Moreover, it can aggravate Cdinduced decline of photosynthetic rate in plants exposed to 25 mg Cd kg-1 soil, by reducing the stomatal conductance and pigment contents. These results suggest that exogenous SA may not improve the tolerance of the castor bean plants to the Cd toxicity under soil conditions.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
